/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-acceleration/simple_3-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 22:51:02,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:51:02,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:51:02,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:51:02,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:51:02,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:51:02,936 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:51:02,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:51:02,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:51:02,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:51:02,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:51:02,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:51:02,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:51:02,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:51:02,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:51:02,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:51:02,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:51:02,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:51:02,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:51:02,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:51:02,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:51:02,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:51:02,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:51:02,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:51:02,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 22:51:02,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 22:51:02,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 22:51:02,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 22:51:02,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 22:51:02,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 22:51:02,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 22:51:02,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 22:51:02,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 22:51:02,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:51:02,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:51:02,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:51:02,992 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 22:51:03,007 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:51:03,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:51:03,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:51:03,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:51:03,012 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:51:03,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:51:03,013 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:51:03,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:51:03,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:51:03,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:51:03,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:51:03,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:51:03,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:51:03,014 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:51:03,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:51:03,015 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:51:03,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:51:03,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:51:03,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:51:03,016 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:51:03,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:51:03,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:51:03,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:51:03,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:51:03,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:51:03,017 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:51:03,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:51:03,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:51:03,018 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:51:03,018 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:51:03,331 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:51:03,350 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:51:03,355 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:51:03,357 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:51:03,359 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:51:03,360 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_3-1.c [2020-07-17 22:51:03,443 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65d22db05/34c79fa3f06945ea8cb5d88d2f39df48/FLAG552ffda61 [2020-07-17 22:51:03,931 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:51:03,932 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_3-1.c [2020-07-17 22:51:03,938 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65d22db05/34c79fa3f06945ea8cb5d88d2f39df48/FLAG552ffda61 [2020-07-17 22:51:04,273 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65d22db05/34c79fa3f06945ea8cb5d88d2f39df48 [2020-07-17 22:51:04,286 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:51:04,289 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:51:04,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:51:04,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:51:04,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:51:04,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:51:04" (1/1) ... [2020-07-17 22:51:04,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d99a53d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:04, skipping insertion in model container [2020-07-17 22:51:04,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:51:04" (1/1) ... [2020-07-17 22:51:04,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:51:04,324 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:51:04,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:51:04,522 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:51:04,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:51:04,555 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:51:04,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:04 WrapperNode [2020-07-17 22:51:04,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:51:04,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:51:04,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:51:04,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:51:04,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:04" (1/1) ... [2020-07-17 22:51:04,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:04" (1/1) ... [2020-07-17 22:51:04,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:04" (1/1) ... [2020-07-17 22:51:04,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:04" (1/1) ... [2020-07-17 22:51:04,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:04" (1/1) ... [2020-07-17 22:51:04,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:04" (1/1) ... [2020-07-17 22:51:04,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:04" (1/1) ... [2020-07-17 22:51:04,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:51:04,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:51:04,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:51:04,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:51:04,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:51:04,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:51:04,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:51:04,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-17 22:51:04,766 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:51:04,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:51:04,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-07-17 22:51:04,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-17 22:51:04,767 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:51:04,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:51:04,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:51:05,024 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:51:05,025 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 22:51:05,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:51:05 BoogieIcfgContainer [2020-07-17 22:51:05,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:51:05,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:51:05,033 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:51:05,036 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:51:05,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:51:04" (1/3) ... [2020-07-17 22:51:05,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f23e01a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:51:05, skipping insertion in model container [2020-07-17 22:51:05,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:04" (2/3) ... [2020-07-17 22:51:05,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f23e01a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:51:05, skipping insertion in model container [2020-07-17 22:51:05,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:51:05" (3/3) ... [2020-07-17 22:51:05,041 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_3-1.c [2020-07-17 22:51:05,056 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:51:05,064 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 22:51:05,093 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 22:51:05,126 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:51:05,126 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:51:05,126 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:51:05,126 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:51:05,127 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:51:05,127 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:51:05,127 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:51:05,128 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:51:05,149 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-07-17 22:51:05,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-17 22:51:05,156 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:51:05,158 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:51:05,159 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:51:05,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:51:05,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1846144830, now seen corresponding path program 1 times [2020-07-17 22:51:05,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:51:05,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312255326] [2020-07-17 22:51:05,184 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:51:05,329 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 22:51:05,330 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.TableauxRow.(TableauxRow.java:45) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.generateLinVar(LinArSolve.java:275) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.createEquality(LinArSolve.java:1974) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createLAEquality(EqualityProxy.java:83) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createAtom(EqualityProxy.java:165) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.getLiteral(EqualityProxy.java:186) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createCCEquality(EqualityProxy.java:109) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.CClosure.createEquality(CClosure.java:1015) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.CCTerm.mergeInternal(CCTerm.java:405) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.CCTerm.merge(CCTerm.java:377) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.CClosure.setLiteral(CClosure.java:855) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.setLiteral(DPLLEngine.java:458) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.propagateClauses(DPLLEngine.java:400) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.propagateInternal(DPLLEngine.java:241) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.solve(DPLLEngine.java:1146) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol$CheckType$1.check(SMTInterpol.java:117) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSatAssuming(SMTInterpol.java:494) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSat(SMTInterpol.java:446) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:300) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:214) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:96) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-17 22:51:05,336 INFO L168 Benchmark]: Toolchain (without parser) took 1047.70 ms. Allocated memory was 143.1 MB in the beginning and 201.3 MB in the end (delta: 58.2 MB). Free memory was 100.2 MB in the beginning and 154.9 MB in the end (delta: -54.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2020-07-17 22:51:05,338 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 143.1 MB. Free memory was 118.1 MB in the beginning and 117.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 22:51:05,339 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.66 ms. Allocated memory is still 143.1 MB. Free memory was 100.0 MB in the beginning and 90.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2020-07-17 22:51:05,340 INFO L168 Benchmark]: Boogie Preprocessor took 34.04 ms. Allocated memory is still 143.1 MB. Free memory was 90.6 MB in the beginning and 89.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2020-07-17 22:51:05,341 INFO L168 Benchmark]: RCFGBuilder took 441.16 ms. Allocated memory was 143.1 MB in the beginning and 201.3 MB in the end (delta: 58.2 MB). Free memory was 89.0 MB in the beginning and 166.8 MB in the end (delta: -77.7 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-07-17 22:51:05,342 INFO L168 Benchmark]: TraceAbstraction took 300.03 ms. Allocated memory is still 201.3 MB. Free memory was 166.1 MB in the beginning and 154.9 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2020-07-17 22:51:05,346 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 143.1 MB. Free memory was 118.1 MB in the beginning and 117.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 265.66 ms. Allocated memory is still 143.1 MB. Free memory was 100.0 MB in the beginning and 90.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.04 ms. Allocated memory is still 143.1 MB. Free memory was 90.6 MB in the beginning and 89.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 441.16 ms. Allocated memory was 143.1 MB in the beginning and 201.3 MB in the end (delta: 58.2 MB). Free memory was 89.0 MB in the beginning and 166.8 MB in the end (delta: -77.7 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 300.03 ms. Allocated memory is still 201.3 MB. Free memory was 166.1 MB in the beginning and 154.9 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.TableauxRow.(TableauxRow.java:45) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...